HomeHuawei Firmware Download Huawei E5220s-2 firmware upgrade 21.143.11.00.1056 Empyrean Philippines GSM Solutions 04 March Download Huawei E5220s-2 firmware upgrade 21.143.11.00.1056 Empyrean Philippines Firmware Details File size: 38.58 MB Version: 21.143.11.00.1056 Operator: Empyrean Philippines Operating systems: Windows 7/8/10/XP/Vista Download